*  IP6K1 is essential for chromatoid body formation and temporal regulation of Tnp2 and Prm2 expression in mouse spermatids |...
The resuspended spermatozoa were then counted with a haemocytometer under a light microscope according to standard protocols. ... No fully mature comma-shaped spermatozoa were observed in Ip6k1−/− mice but the abnormally elongated spermatids (arrows in F) ... Epididymal spermatozoa counting. Epididymides were dissected and collected in Dulbecco's modified Eagle's medium, cut into ... Ip6k1+/+ epididymides are fully occupied by mature spermatozoa but Ip6k1−/− epididymides only contain degenerating round cells ...
http://jcs.biologists.org/content/130/17/2854?ijkey=c6848ad89dfa3afdf2f93c03075e2b5d0c998e98&keytype2=tf_ipsecsha
*  Tyrosine phosphorylation activates surface chaperones facilitating sperm-zona recognition | Journal of Cell Science
The number of spermatozoa bound to each zona was counted using phase-contrast microscopy. In some experiments, spermatozoa were ... Preparation of spermatozoa. Spermatozoa were obtained from adult Swiss mice (age ,8 weeks; University of Newcastle Animal ... 1A). In the free-swimming population of spermatozoa just under 15% of spermatozoa displayed partial flagellum fluorescence, and ... Tyrosine phosphorylation of live spermatozoa bound to the zona pellucida (ZP). Cauda epididymal spermatozoa were capacitated ...
http://jcs.biologists.org/content/117/16/3645
*  Rebuttal of a role for the epididymis in sperm quality control by phagocytosis of defective sperm | Journal of Cell Science
Nevertheless, spermatozoa at various stages of disintegration were evident in the apical cortex of EEC, and in the epididymal ... Cooper, T. G. and Hamilton, D. W. ( 1977a). Phagocytosis of spermatozoa in the terminal region and gland of the vas deferens of ... Lino, B. F., Braden, A. W. and Turnbull, K. E. ( 1967). Fate of unejaculated spermatozoa. Nature 213, 594-595. ... Barth, A. D. and Oko, R. J. ( 1989). Abnormal Morphology of Bovine Spermatozoa. Ames, IA: Iowa State University Press. ...
http://jcs.biologists.org/content/115/1/5
*  Chromosome architecture in the decondensing human sperm nucleus | Journal of Cell Science
Sotolongo, B., Lino, E. and Ward, W. S. (2003). Ability of hamster spermatozoa to digest their own DNA. Biol. Reprod. 69, 2029- ... Ward, W. S. and Coffey, D. S. (1991). DNA packaging and organization in mammalian spermatozoa: comparison with somatic cells. ... To what extent is the here proposed model of chromosome architecture for human spermatozoa applicable to sperm of other ... Spatial distribution of chromosomes 1 and Y in human spermatozoa. J. Reprod. Fertil. 45, 515-517. ...
http://jcs.biologists.org/content/118/19/4541.full
*  Memoirs: Head Length Dimorphism of Mammalian Spermatozoa | Journal of Cell Science
Memoirs: Head Length Dimorphism of Mammalian Spermatozoa Message Subject (Your Name) has sent you a message from Journal of ... 1. Chromosome dimorphism of the spermatozoa has been shown for a variety of mammals, and in some cases this has been shown to ... 2. In the present paper this correlation has been extended to the spermatozoa of man, the mouse, and the rat, in which ... 3. The interest of these results lies in the probability that the histological difference in the X- and Y-spermatozoa may ...
http://jcs.biologists.org/content/s2-67/268/617
*  Meiotic functions of RAD18 | Journal of Cell Science
The number of spermatozoa was counted as described (Roest et al., 1996). At least 200 sperm in two different samples from three ...
http://jcs.biologists.org/content/124/16/2837
*  Deficiency of the multi-copy mouse Y gene Sly causes sperm DNA damage and abnormal chromatin packaging | Journal of Cell Science
2005). DNA damage to spermatozoa has impacts on fertilization and pregnancy. Cell Tissue Res. 322, 33-41. doi:10.1007/s00441- ... 1982). Preservation of hamster oocytes to assay the fertilizing capacity of human spermatozoa. J. Reprod. Fertil. 66, 161-168. ... 1992). Effect of a partial deletion of Y chromosome on in vitro fertilizing ability of mouse spermatozoa. Biol. Reprod. 47, 549 ... Spermatozoa were allowed to disperse for 2-3 min at room temperature. The samples of testicular or epididymal cell suspension ...
http://jcs.biologists.org/content/126/3/803
*  Wnt5a is a cell-extrinsic factor that supports self-renewal of mouse spermatogonial stem cells | Journal of Cell Science
... the first spermatozoa are found around 35 d.p.p. (McCarrey, 1993). β-Catenin-signaling cells were not found until 12 d.p.p. ( ...
http://jcs.biologists.org/content/124/14/2357
*  Novel function of β-arrestin2 in the nucleus of mature spermatozoa | Journal of Cell Science
2B). Translocation was also detected by western blotting of fractionated human spermatozoa. In untreated spermatozoa, β- ... colocalize in the midpiece of mature human spermatozoa. Stimulation of hOR17-4 in spermatozoa induced PKA-dependent ... Novel function of β-arrestin2 in the nucleus of mature spermatozoa Message Subject (Your Name) has sent you a message from ... Novel function of β-arrestin2 in the nucleus of mature spermatozoa. Eva M. Neuhaus, Anastasia Mashukova, Jon Barbour, Dirk ...
http://jcs.biologists.org/content/119/15/3047
*  Here come the septins: novel polymers that coordinate intracellular functions and organization | Journal of Cell Science
For example, in spermatozoa from male Sept4-knockout mice, both cortical organization and intraflagellar transport are ... deformed and immotile spermatozoa in Sept4-null mice (Ihara et al., 2005; Kissel et al., 2005)], and in some instances ... Cortical organization by the septin cytoskeleton is essential for structural and mechanical integrity of mammalian spermatozoa ...
http://jcs.biologists.org/content/119/1/4
*  Memoirs: Sex Studies on Schistosoma japonicum | Journal of Cell Science
This chamber is invariably filled with spermatozoa which have reached it by way of the uterus and oviduct. It is without ... contains the interesting condition of male determined individuals producing parthenogenetic eggs at one stage and spermatozoa ...
http://jcs.biologists.org/content/s2-71/284/653
*  Memoirs: Marsupial Spermatogenesis | Journal of Cell Science
The spermatozoa are therefore of two kinds, one containing an X-chromosome and the other containing a Y-chromosome. ...
http://jcs.biologists.org/content/s2-67/266/203
*  Expression and nuclear localization of BLM, a chromosome stability protein mutated in Bloom's syndrome, suggest a role in...
... and heterozygous individuals display increased frequencies of structural chromosome abnormalities in their spermatozoa. Also, ...
http://jcs.biologists.org/content/113/4/663
*  The role of nectins in different types of cell-cell adhesion | Journal of Cell Science
3D). When spermatids are released from Sertoli cells as spermatozoa, the plasma membranes of the Sertoli cell and the spermatid ... which finally undergo maturation into spermatozoa (Cheng and Mruk, 2002) (Fig. 3D). Spermatogenic cells are embraced and ...
http://jcs.biologists.org/content/125/16/3713
*  Activation of Ciona sperm motility: phosphorylation of dynein polypeptides and effects of a tyrosine kinase inhibitor | Journal...
These new results suggest that regulation of motility of these spermatozoa may involve a multicomponent kinase cascade rather ... A similar level of phosphorylation of these proteins is obtained by incubation of washed, demembranated spermatozoa with ...
http://jcs.biologists.org/content/100/4/815